Added a getter for Mel filter sample frequency.
Added a getter for Mel filter sample frequency.

zsiciarz/aquila,tempbottle/aquila,synkarae/aquila,sav6622/aquila,Aldor007/aquila,tempbottle/aquila,zsiciarz/aquila,synkarae/Quasar,sav6622/aquila,synkarae/Quasar,zsiciarz/aquila,Aldor007/aquila,tempbottle/aquila,sav6622/aquila,synkarae/aquila,Aldor007/aquila,synkarae/aquila,zsiciarz/aquila,synkarae/Quasar